E-invoicing
E-invoicing
What is the invoicing mandate?
What is a billing mandate and why do I need to sign one?
What does the "Signed PDF" e-invoicing mode mean?
What dematerialization method does an “unsigned PDF” correspond to?
What are the dematerialization methods available in the SY portal?
My client offers to digitise my invoices in PDF or signed PDF. How and when should I choose?
Frequently asked questions
- Guest Supplier Tutorials
- How can the tax authorities access my invoices in the event of an audit?
- What is SY?
- How do I access my customer orders?
- How to create a user?
- What is the Cegedim Group?
- How to register on SY? (invited buyer)
- How to exchange a message about an invoice?
- Error message "email address already in use"